MSA MultiGard 5000 Manual de usuario

INSTRUCTION MANUAL

MultiGard 5000®System Integration

Modbus/TCP Gateway Option

1-800-MSA-INST or FAX (724) 776-8783

MSA International (412) 967-3354 or FAX (412) 967-3451

In Canada 1-800-267-0672 or FAX (416) 663-5908

Manufactured by

MINE SAFETY APPLIANCES COMPANY

PITTSBURGH, PENNSYLVANIA 15230

3013-1048 Rev. 0

MSA Permanent Instrument Warranty

1. Warranty –Seller warrants that this product will be free from mechanical defect or

faulty workmanship for a period of eighteen (18) months from date of shipment or one (1)

year from installation, whichever occurs first, provided it is maintained and used in

accordance with Seller’s instructions and / or recommendations. This warranty does not

apply to expendable or consumable parts whose normal life expectancy is less than one (1)

year such as, but not limited to, non-rechargeable batteries, filament units, filter, lamps,

fuses etc. The Seller shall be released from all obligations under this warranty in the event

repairs or modifications are made by persons other than its own or authorized service

personnel or if the warranty claim results from physical abuse or misuse of the product. No

agent, employee or representative of the Seller has any authority to bind the Seller to any

affirmation, representation or warranty concerning the product. Seller makes no warranty

concerning components or accessories not manufactured by the Seller, but will pass on to the

Purchaser all warranties of manufacturers of such components. THIS WARRANTY IS IN

LIEU OF ALL OTHER WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY,

AND IS STRICTLY LIMITED TO THE TERMS HEREOF. SELLER

SPECIFICALLY DISCLAIMS ANY WARRANTY OF MERCHANTABILITY OR

OF FITNESS FOR A PARTICULAR PURPOSE.

2. Exclusive Remedy –It is expressly agreed that Purchaser’s sole and exclusive remedy

for breach of the above warranty, for any tortious conduct of Seller, or for any other cause of

action, shall be the repair and / or replacement at Seller’s option, of any equipment or parts

thereof, which after examination by Seller is proven to be defective. Replacement

equipment and /or parts will be provided at no cost to Purchaser, F.O.B. Seller’s Plant.

Failure of Seller to successfully repair any nonconforming product shall not cause the

remedy established hereby to fail of its essential purpose.

3. Exclusion of Consequential Damage –Purchaser specifically understands and agrees

that under no circumstances will Seller be liable to Purchaser for economic, special,

incidental or consequential damages or losses of any kind whatsoever, including but not

limited to, loss of anticipated profits and any other loss caused by reason of nonoperation of

the goods. This exclusion is applicable to claims for breach of warranty, tortious conduct or

any other cause of action against seller.

1.0 Introduction

This MultiGard 5000 System Integration Manual for the Modbus/TCP Gateway Option provides

the information necessary for a customer or a third party integrator to successfully connect the

system onto a larger industrial network using Modbus/TCP protocol. This interface is provided

by an Industrial Control Communications, Inc. (ICC) ETH-1000 Ethernet Gateway added into the

MultiGard 5000 system along with an Ethernet switch.

This document is intended to cover all six models of the MultiGard 5000 System that are factory

configured at MSA from two platforms. The models are 8 point, 16 point, dual 8 point, 24 point,

32 point, and dual 16 point. Keep the purchased model and its size in mind while using this

document.

The MultiGard 5000 system shall have the Compact Logix L24 processor installed as a standard

offering. The L24 processor is capable of using this Modbus/TCP gateway option.

The MultiGard 5000 System is intended to be a complete stand-alone gas detection system and

was designed to be the only point of control for its many features and user changeable

parameters. For safety reasons MSA cannot allow the customer and third parties to have

unrestricted access to the MultiGard System programming.

2.0 References

The user of this document should be familiar with Modbus addressing and compatible networks.

The following references may be used with this manual:

[MSA] Field Wiring Diagram, Multigard System (Drawing)

[Delivered with a MultiGard System; part of the 3-ring binder.]

[MSA] MultiGard System Instruction Manual - ASK 3103-35

[Delivered with a MultiGard System; part of the 3-ring binder.]

[MSA] MultiGard System Factory Configuration Sheets

[Delivered with a MultiGard System; part of the 3-ring binder.]

References not supplied by MSA:

Modbus/TCP protocol documentation and network reference materials

Instruction Manuals –Appropriate to any third party equipment (hardware and

software)

3.0 Modbus/TCP Communication Interface

The ICC ETH-1000 Ethernet gateway is configured for the appropriate Multigard 5000 system

model at MSA during system assembly and test. This includes both the hardware and gateway

configuration.

The gateway updates itself continuously with data from the Compact Logix L24 processor using

Ethernet/IP protocol via the Ethernet switch.

Data then becomes available in Modbus/TCP protocol from the ICC ETH-1000 Ethernet gateway

via the Ethernet switch. The gateway is a multiprotocol device using its single Ethernet port

operating per the 10/100Base-T standard.

3.1 Interface Cables

The Multigard system L24 processor and the ICC ETH-1000 gateway are connected to an

unmanaged Ethernet switch using patch cables of CAT-5e or better grade. See the Multigard

5000 system drawings for details on the hardware installation.

Also use a CAT-5e or better grade patch cable to connect to the Ethernet switch to the external

network providing a Modbus/TCP connection from the Multigard system to other customer

equipment.

3.2 Ethernet Addresses

The Ethernet addresses associated with the MultiGard 5000 System and the ICC ETH-1000

gateway must be set at MSA during factory configuration.

The addresses that will be set into the processor and gateway are from customer (or responsible

third party) supplied information as follows:

IP Address for the ICC ETH-1000 Gateway

IP Address for the Multigard system Allen-Bradley L24 processor

Subnet Mask common to this Ethernet network

Default Gateway common to this Ethernet network

NOTE: To satisfy the ETH-1000 the Default Gateway address must begin with 1-223

and it cannot consist of all zeros. If there is no desire to communicate over a default

gateway, then the address provided should not physically exist on the network.

The addresses will be placed onto labels located inside the MultiGard 5000 System enclosure for

easy reference as well as in the system configuration document (part of the 3-ring binder).

4.0 Guidelines For Accessing Data Table Addresses

Remember the following key items about the MultiGard 5000 System when using these tables to

decide what is applicable:

All Modbus data is read-only (holding register, 4X, or read input, 1X) except for

the acknowledge items listed in Table 6 (force single coil, 0X).

Model: 8 point, 16 point, dual 8 point, 24 point, 32 point, or dual 16 point

Single or Dual: Single sequencer MultiGard 5000 Systems can have 4 sensors (#1

- #4) installed. Dual sequencer MultiGard 5000 Systems can have 2 sensors (#1,

#2) on Sequencer A and 2 sensors (#3, #4) on Sequencer B. Note that in the

following tables reference to Single Sequencer is identical to Dual Sequencer A.

In the tables this is represented as “Sequencer (A)”.

Options: The User Configured Outputs (UCO) can be supplied as UCO #1 only

or both UCO #1 & UCO #2 together.

Additional information necessary to properly decode the data is supplied under

each table if applicable.

All analog data will automatically be in engineering units based on the MultiGard

5000 System factory configuration. No additional scaling is required.

It may be desirable to read blocks of words out of the gateway instead of only the

specific addresses listed in the tables. This depends on the interfacing

requirements and the software capabilities of the third party product. If this is

done, be sure to only use the addresses listed in this document for presentation

purposes.

CAUTION

Use only data table addresses defined in this manual. The use of

undefined addresses will produce an incorrect presentation. Data

table addresses not defined are reserved for MSA use only.

Customers who use bi-directional communications with the controller must avoid

writing into addresses not referenced in this document.

WARNING

Do not write into undefined addresses. Doing so may prevent the

system from detecting gas. Data table addresses not defined are

reserved for MSA use only.

Failure to follow this warning can result in serious personal

injury or death.

The end user must verify all data transfers following the system integration effort.

See Table 1 below, and its associated warning, for important information about

setting up an end user watchdog function to monitor the communications integrity

between the Multigard 5000 System and the ETH-1000 gateway.

Table 1: Multigard 5000 System to ETH-1000 Communication Status

Gateway

Address

Comments

Communications

Status Register:

40555

Changing Value** –Normal

Stopped Value** –Failed

** This value changes from 0 to 59 and is the seconds from the processor clock buffered

through the Multigard program. The absolute value of the register has no direct

significance to its use as a watchdog function.

In the end user’s system, monitor this register for continuous activity. If it stops

changing for a predetermined amount of time, declare a communications failure and

flag all other data coming through this gateway as outdated.

Only when the above register is continuously changing can the other data presented

via the gateway be considered current.

CAUTION

To ensure communications integrity between the Multigard 5000

System and the ICC ETH-1000 gateway the communications

status register must be monitored and logically implemented as a

watchdog function by the end user. Failure to implement the

watchdog function can result in the presentation of outdated data.

5.0 Multigard System Data Table Addresses

The most useful MultiGard 5000 System data will be defined in Tables 2 through 8 along with

corresponding Modbus/TCP addresses. These addresses will allow for the presentation of gas

detection information and other status.

Table 2: Sensor Gas Levels

Point #

140001 40002 40065 40066 40129 40130 40193 40194

240003 40004 40067 40069 40131 40132 40195 40196

340005 40006 40069 40070 40133 40134 40197 40198

440007 40008 40071 40072 40135 40136 40199 40200

540009 40010 40073 40074 40137 40138 40201 40202

640011 40012 40075 40076 40139 40140 40203 40204

740013 40014 40077 40078 40141 40142 40205 40206

840015 40016 40079 40080 40143 40144 40207 40208

940017 40018 40081 40082 40145 40146 40209 40210

10 40019 40020 40083 40084 40147 40148 40211 40212

11 40021 40022 40085 40086 40149 40150 40213 40214

12 40023 40024 40087 40088 40151 40152 40215 40216

13 40025 40026 40089 40090 40153 40154 40217 40218

14 40027 40028 40091 40092 40155 40156 40219 40220

15 40029 40030 40093 40094 40157 40158 40221 40222

16 40031 40032 40095 40096 40159 40160 40223 40224

17 40033 40034 40097 40098 40161 40162 40225 40226

18 40035 40036 40099 40100 40163 40164 40227 40228

19 40037 40038 40101 40102 40165 40166 40229 40230

20 40039 40040 40103 40104 40167 40168 40231 40232

21 40041 40042 40105 40106 40169 40170 40233 40234

22 40043 40044 40107 40108 40171 40172 40235 40236

23 40045 40046 40109 40110 40173 40174 40237 40238

24 40047 40048 40111 40112 40175 40176 40239 40240

25 40049 40050 40113 40114 40177 40178 40241 40242

26 40051 40052 40115 40116 40179 40180 40243 40244

27 40053 40054 40117 40118 40181 40182 40245 40246

28 40055 40056 40119 40120 40183 40184 40247 40248

29 40057 40058 40121 40122 40185 40186 40249 40250

30 40059 40060 40123 40124 40187 40188 40251 40252

31 40061 40062 40125 40126 40189 40190 40253 40254

32 40063 40064 40127 40128 40191 40192 40255 40256

Sensor 1

Sensor 2

Sensor 3

Sensor 4

Gas sensor levels for each point among the active sensors use a pair of consecutive

addresses. They are compliant with the IEEE 754 Floating Point format that is 32 bit

single precision. One decimal place is passed through the gateway.

Table 3: Points 1-32 Alarm States

Sensor 1 Sensor 2 Sensor 3 Sensor 4

Point # Trouble Warning Alarm Trouble Warning Alarm Trouble Warning Alarm Trouble Warning Alarm

114098 14099 14100 14610 14611 14612 15122 15123 15124 15634 15635 15636

214130 14131 14132 14642 14643 14644 15154 15155 15156 15666 15667 15668

314162 14163 14164 14674 14675 14676 15186 15187 15188 15698 15699 15700

414194 14195 14196 14706 14707 14708 15218 15219 15220 15730 15731 15732

514226 14227 14228 14738 14739 14740 15250 15251 15252 15762 15763 15764

614258 14259 14260 14770 14771 14772 15282 15283 15284 15794 15795 15796

714290 14291 14292 14802 14803 14804 15314 15315 15316 15826 15827 15828

814322 14323 14324 14834 14835 14836 15346 15347 15348 15858 15859 15860

914354 14355 14356 14866 14867 14868 15378 15379 15380 15890 15891 15892

10 14386 14387 14388 14898 14899 14900 15410 15411 15412 15922 15923 15924

11 14418 14419 14420 14930 14931 14932 15442 15443 15444 15954 15955 15956

12 14450 14451 14452 14962 14963 14964 15474 15475 15476 15986 15987 15988

13 14482 14483 14484 14994 14995 14996 15506 15507 15508 16018 16019 16020

14 14514 14515 14516 15026 15027 15028 15538 15539 15540 16050 16051 16052

15 14546 14547 14548 15058 15059 15060 15570 15571 15572 16082 16083 16084

16 14578 14579 14580 15090 15091 15092 15602 15603 15604 16114 16115 16116

17 16146 16147 16148 16658 16659 16660 17170 17171 17172 17682 17683 17684

18 16178 16179 16180 16690 16691 16692 17202 17203 17204 17714 17715 17716

19 16210 16211 16212 16722 16723 16724 17234 17235 17236 17746 17747 17748

20 16242 16243 16244 16754 16755 16756 17266 17267 17268 17778 17779 17780

21 16274 16275 16276 16786 16787 16788 17298 17299 17300 17810 17811 17812

22 16306 16307 16308 16818 16819 16820 17330 17331 17332 17842 17843 17844

23 16338 16339 16340 16850 16851 16852 17362 17363 17364 17874 17875 17876

24 16370 16371 16372 16882 16883 16884 17394 17395 17396 17906 17907 17908

25 16402 16403 16404 16914 16915 16916 17426 17427 17428 17938 17939 17940

26 16434 16435 16436 16946 16947 16948 17458 17459 17460 17970 17971 17972

27 16466 16467 16468 16978 16979 16980 17490 17491 17492 18002 18003 18004

28 16498 16499 16500 17010 17011 17012 17522 17523 17524 18034 18035 18036

29 16530 16531 16532 17042 17043 17044 17554 17555 17556 18066 18067 18068

30 16562 16563 16564 17074 17075 17076 17586 17587 17588 18098 18099 18100

31 16594 16595 16596 17106 17107 17108 17618 17619 17620 18130 18131 18132

32 16626 16627 16628 17138 17139 17140 17650 17651 17652 18162 18163 18164

Each register will present either a “0” or “1”. Where, 0 = Normal and 1 =

Condition Exists!

Table 4: Flow Status

Point #

Sample Bypass Sample Bypass

118193 18257 18321 18353

218194 18258 18322 18354

318195 18259 18323 18355

418196 18260 18324 18356

518197 18261 18325 18357

618198 18262 18326 18358

718199 18263 18327 18359

818200 18264 18328 18360

918201 18265 18329 18361

10 18202 18266 18330 18362

11 18203 18267 18331 18363

12 18204 18268 18332 18364

13 18205 18269 18333 18365

14 18206 18270 18334 18366

15 18207 18271 18335 18367

16 18208 18272 18336 18368

17 18225 18289

18 18226 18290

19 18227 18291

20 18228 18292

21 18229 18293

22 18230 18294

23 18231 18295

24 18232 18296

25 18233 18297

26 18234 18298

27 18235 18299

28 18236 18300

29 18237 18301

30 18238 18302

31 18239 18303

32 18240 18304

System A

System B

Each register will present either a “0” or “1”. Where, 0 = Normal and 1 =

Condition Exists!

Table 5: Miscellaneous

Address

Comments

System A Position:

40525

Integer value = Point #

System B Position:

40526

Integer value = Point #

System A

Operation Mode:

40527

0 = Sampling

1 = Manual Calibration

2 = Auto-Standardization

System B

Operation Mode:

40528

0 = Sampling

1 = Manual Calibration

2 = Auto-Standardization

Factory Defaults Forced:

18848

0 = Normal 1 = Forced!

Sensor 1 Gas Level:

40529 40530*

Uncorrected, scaled, continuous

Sensor 2 Gas Level:

40531 40532*

Uncorrected, scaled, continuous

Sensor 3 Gas Level:

40533 40534*

Uncorrected, scaled, continuous

Sensor 4 Gas Level:

40535 40536*

Uncorrected, scaled, continuous

* Gas sensor levels for each point among the active sensors use a pair of consecutive

addresses. They are compliant with the IEEE 754 Floating Point format that is 32 bit

single precision. One decimal place is passed through the gateway.

Table 6: Common Alarming

System A

System B

Horn Relay Image:

18584

18612

Fixed/Non-failsafe

0=Open 1=Closed

Trouble Relay Image:

18577

18609

Fixed/failsafe

0=Closed 1=Open

Warning Relay Image:

18578

18610

Default Non-failsafe*

0=Open 1=Closed

Alarm Relay Image:

18579

18611

Default Non-failsafe*

0=Open 1=Closed

* User Changeable Parameter - State may need to be reversed depending on usage.

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